Question

1. 12am = 4, for a

Explanation:

Step1: Isolate variable a

Divide both sides by 12m.
$a=\frac{4}{12m}$

Step2: Simplify the fraction

Reduce $\frac{4}{12m}$ to lowest terms.
$a = \frac{1}{3m}$ ($m
eq0$)

Answer:

$a=\frac{1}{3m}$ ($m
eq0$)